PIEZOELECTRIC LAMINATE, PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC LAMINATE MANUFACTURING METHOD

Invention Application

US20230135208A1 PIEZOELECTRIC LAMINATE, PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC LAMINATE MANUFACTURING METHOD 有权

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Patent Title: PIEZOELECTRIC LAMINATE, PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC LAMINATE MANUFACTURING METHOD
Application No.: US17299951

Application Date: 2019-11-14
Publication No.: US20230135208A1

Publication Date: 2023-05-04
Inventor: Kenji SHIBATA , Kazutoshi WATANABE , Fumimasa HORIKIRI
Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
Applicant Address: JP Tokyo
Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
Current Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
Current Assignee Address: JP Tokyo
Priority: JP2018-229831 20181207
International Application: PCT/JP2019/044775 WO 20191114
Main IPC: H10N30/853
IPC: H10N30/853 ; H10N30/076 ; C01G33/00

PIEZOELECTRIC LAMINATE, PIEZOELECTRIC ELEMENT, AND PIEZOELECTRIC LAMINATE MANUFACTURING METHOD

Abstract:

A piezoelectric stack, including: a substrate; an electrode film; and a piezoelectric film comprising an alkali niobium oxide of a perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0

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